“Braintree” is a payment service by PayPal where they give you the capability to take payments from cards and you will be able to see only the last 4 digits of the card and charge the client if you need to do this. 
“Braintree” is a payment service by PayPal where they give you the capability to take payments from cards and you will be able to see only the last 4 digits of the card and charge the client if you need to do this.